Bones Of The Upper Limb Flashcards
What do the upper limbs include?
- Arm
- Forearm
- Wrist
- Hand
Bones of the arm
- Humerus
- Radius
- Ulna
The greater tubercle serves as insertion to:
- supraspinatus
- infraspinatus
- teres minor muscles
Lesser tubercle serves as insertion to:
Subscapularis muscle
What does the head of the humerus articulate with?
Glenoid cavity of the scapula
What muscles are attached to the intertubercular groove?
- Biceps branchii
- Latissimus dorsi
Humerus landmarks
- Head
- Greater tubercle
- Lesser tubercle
- intertubercular groove
- radial groove
- deltoid tuberosity
- trochlea
- capitulum
- coronoid fossa
- olecranon fossa
- medial epicondyle
- lateral epicondyle
- radial fossa
Radius landmarks
- head
- tubercle
- styloid process
- ulnar notch
Ulnar landmarks
- coronoid process
- olecranon
- radial notch
- trochlear notch
- styloid process
- head
The wrist/carpus
Consists of 8 carpal bones.
- Lunate
- scaphoid
- trapezium
- trapezoid
- capitate
- hamate
- triquetral
- pisiform
What is the Carpal tunnel?
The tunnel created by the flexor retinaculum & the carpal bones.
It contains the median nerve & flexor tendons as they pass towards the hand.
What is carpal tunnel syndrome?
Inflammation of synovial membranes surrounding the flexor tendons that compress the median nerve
Bones of the hand
- Metacarpals
- proximal phalanges
- middle phalanges
- distal phalanges
What does the pectoral girdle consist of?
- two scapulae
- two clavicles
How is the humerus joined to the scapula?
At the glenohumeral joint (a ball & socket joint)